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Thread: Wet Edge, not Pebble Tec

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    Olga's Avatar
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    Wet Edge, not Pebble Tec

    In trying to figure out why our 4 month old pool requires several hundred ounces of acid every couple of days to maintain its pH, we asked the pool builder to check with Pebble Tec for any ideas how to make this acid demand manageable. We thought we had a Pebble Tec surface. When we continued to press for Pebble Tec involvement, the pool builder informed us that we do not have Pebble Tec but rather Wet Edge.

    Does that matter? Are they the same?
    7,000 gal. saltwater, Pentair Intellichem, Intellichlor, Wet Edge finish

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    JayBauman's Avatar
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    Re: Wet Edge, not Pebble Tec

    Sometime in the past, some Pebble Tec folks left their employer and started Wet Edge Technologies. At the most fundamental levels, comparable products from both suppliers are quite similar...although each one tends to brag that their unique sources of stones give prettier surfaces. My pool builder used to offer Pebble Tec but switched to Wet Edge when Wet Edge started offering substantially better (longer) warranties.

    To answer your questions directly: Does it matter? No. Are they the same? Yes (in the context of your question). But these are the wrong questions to ask. Far and away, the most important facet of these products is how they are mixed & applied and how your pool is started up after application. There is much more variability between various pool builders and applicators than there is with the products themselves.
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    Re: Wet Edge, not Pebble Tec

    Agreed, they are basically the same from a water chemistry standpoint it is common to have rising PH in a newly plaster pool for the first year. Several hundred ounces is extreme.

    What is your TA? Lowering it to 60-80 will help reduce PH rise.
    What about waterfalls, bubblers, water features? Running those will aerate the water and cause PH to rise quickly. Running them less will reduce PH rise.
    Lots of swimming also causes PH to rise for the same reason, but we don't recommend less swimming!
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    Re: Wet Edge, not Pebble Tec

    several hundred ounces of acid every couple of days
    I would roughly interpret that to be about 5 gallons or more weekly in a 7k pool, is that right?
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    Re: Wet Edge, not Pebble Tec

    That would be a very large amount of acid, so can you please confirm that?
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    Olga's Avatar
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    Re: Wet Edge, not Pebble Tec

    Yes, the Pentair dispenser which holds 4 gallons was filled with a 1:1 ratio of water/acid. When it ran down about a third I topped it off to the full mark with straight acid. It's nearly empty in three days. Yes, 7,000 gal pool.
    7,000 gal. saltwater, Pentair Intellichem, Intellichlor, Wet Edge finish

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    Re: Wet Edge, not Pebble Tec

    What happens if you stop adding acid? Hold off a couple of days. Where does the ph go to? What is your TA?

    What are you using to test for ph? What are you using to test for TA?
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    Olga's Avatar
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    Re: Wet Edge, not Pebble Tec

    Quote Originally Posted by gwegan View Post
    What happens if you stop adding acid? Hold off a couple of days. Where does the ph go to? What is your TA?

    What are you using to test for ph? What are you using to test for TA?
    If I stop adding acid, the pH goes to 8 pretty quickly, less than a day. The pH is read by the Intellichem. I've tested with a Taylor test kit and the Intellichem reading was confirmed exactly. The local pool store matched all my Taylor results on all parameters, though I think they're using the Taylor kit as well.

    TA 120
    CH 150
    CYA 27
    ORP 685
    Langlier -0.10 Ideal
    Salt 3000
    pH 7.4
    7,000 gal. saltwater, Pentair Intellichem, Intellichlor, Wet Edge finish

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    Re: Wet Edge, not Pebble Tec

    TA seems high.

    I'd take it down to 80 and see what happens.
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